正确答案: A
正确
题目:在抹灰工程施工前,必须对结构工程进行验收。
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学习资料的答案和解析:
[单选题]砂的质量要求是:颗粒坚硬、洁净,含泥量不超过()。
C.3%
[单选题]距离地面()米以上作业要有防护栏杆、拦板、安全网。
C.3
[单选题]室外抹灰脚水板要满铺,最窄处不得超过()。
B.三块板子
[单选题]View the Exhibit and examine the properties of the TT tablespace. Using Database Control, you have scheduled a job to shrink the TRANS table residing on the TT tablespace. The job would run at 5:00 p.m. every Friday. When you examine the space usage of the table after the completion of the job, you find that the table has not been shrunk. What could have been the reason for this?()
The segment space management of the tablespace that contains the TRANS table is manual in nature.